Class Base64InputStream

java.lang.Object

java.io.InputStream

org.apache.james.mime4j.codec.Base64InputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class Base64InputStream
extends InputStream

Performs Base-64 decoding on an underlying stream.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final ThreadLocal<SoftReference<BufferRecycler>>	_recyclerRef
private static final int[]	BASE64_DECODE
private static final byte	BASE64_PAD
private boolean	closed
private final RecycledByteArrayBuffer	decodedBuf
private final byte[]	encoded
private static final int	ENCODED_BUFFER_SIZE
private boolean	eof
private static final int	EOF
private final InputStream	in
private final DecodeMonitor	monitor
private int	position
private final byte[]	singleByte
private int	size

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Base64InputStream(int bufsize, InputStream in, DecodeMonitor monitor)
	Base64InputStream(InputStream in)
	Base64InputStream(InputStream in, boolean strict)
	Base64InputStream(InputStream in, DecodeMonitor monitor)

Method Summary

Modifier and Type	Method	Description
void	close()
private int	decodePad(int data, int sextets, byte[] buffer, int index, int end)
static BufferRecycler	getBufferRecycler()
private void	handleUnexpecedPad(int sextets)
private void	handleUnexpectedEof(int sextets)
int	read()
int	read(byte[] buffer)
int	read(byte[] buffer, int offset, int length)
private int	read0(byte[] buffer, int off, int len)

Methods inherited from class InputStream

available, mark, markSupported, reset, skip

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

_recyclerRef

protected static final ThreadLocal<SoftReference<BufferRecycler>> _recyclerRef

ENCODED_BUFFER_SIZE

private static final int ENCODED_BUFFER_SIZE

See Also:

• Constant Field Values

BASE64_DECODE

private static final int[] BASE64_DECODE

BASE64_PAD

private static final byte BASE64_PAD

See Also:

• Constant Field Values

EOF

private static final int EOF

See Also:

• Constant Field Values

singleByte

private final byte[] singleByte

in

private final InputStream in

encoded

private final byte[] encoded

decodedBuf

private final RecycledByteArrayBuffer decodedBuf

position

private int position

size

private int size

closed

private boolean closed

eof

private boolean eof

monitor

private final DecodeMonitor monitor

Constructor Details

Base64InputStream

public Base64InputStream(InputStream in,
 DecodeMonitor monitor)

Base64InputStream

protected Base64InputStream(int bufsize,
 InputStream in,
 DecodeMonitor monitor)

Base64InputStream

public Base64InputStream(InputStream in)

Base64InputStream

public Base64InputStream(InputStream in,
 boolean strict)

Method Details

getBufferRecycler

public static BufferRecycler getBufferRecycler()

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buffer)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buffer,
 int offset,
 int length)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

read0

private int read0(byte[] buffer,
 int off,
 int len)
           throws IOException

Throws:

IOException

decodePad

private int decodePad(int data,
 int sextets,
 byte[] buffer,
 int index,
 int end)
               throws IOException

Throws:

IOException

handleUnexpectedEof

private void handleUnexpectedEof(int sextets)
                          throws IOException

Throws:

IOException

handleUnexpecedPad

private void handleUnexpecedPad(int sextets)
                         throws IOException

Throws:

IOException